These DSA sets have all the keys necessary to cover any of the 6 layouts: DSA PBT Keycaps

Assembly There is also the option of having the keyboard coming assembled. In order to get this done, you will also need to order all of the necessary additional parts listed above as well. You will also need to specify which of the 6 layouts you wish to have. Please look at the picture below for the layouts. Assembly will cost $30 USD.